CECINI, D. and PALMERI, A., 2015. Spectrum-compatible accelerograms with harmonic wavelets. Computers and Structures, 147, pp.26-35.
Modern building codes allow the analysis and design of earthquake-resistant structures with recorded and/or generated accelerograms, provided that they are compatible with the elastic design spectrum. The problem then arises to generate spectrum-compliant accelerograms with realistic non-stationary characteristics, which in turn may play an important role in the non-linear seismic response. In this paper, an iterative procedure based on the harmonic wavelet transform is proposed to match the target spectrum through deterministic corrections to a recorded accelerogram, localised both in time and frequency. Numerical examples demonstrate the performance of this approach, which can be effectively used in the design practice.
This is an Open Access Article (CC-BY 3.0). It is published by Elsevier as Open Access at: http://dx.doi.org/10.1016/j.compstruc.2014.10.013
This work has been partially supported by the EPSRC (the UK Engineering and Physical Sciences Research Council), under the “2010 Grant Balances” [grant number: EP/J014400/1].